Synthesis of (+ or minus)-5,10-methenyltetrahydrofolic acid-2 14 C and (+ or minus)-5-formyltetrahydrofolic acid-2 14 C.
D002247:Carbon Isotopes; D002855:Chromatography, Thin Layer; D005492:Folic Acid / Q000138:chemical synthesis*; D007553:Isotope Labeling; D002955:Leucovorin / Q000138:chemical synthesis*; D008722:Methods; D010084:Oxidation-Reduction; D011621:Pteridines / Q000378:metabolism; D013053:Spectrophotometry; D014466:Ultraviolet Rays
D002247:Carbon Isotopes; D011621:Pteridines; D005492:Folic Acid; D002955:Leucovorin